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FULC · Fulcrum Therapeutics, Inc.

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$3.84 +0.01 (+0.13%)
Market Cap
$292.22M
Shares
76.30M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 154
Total Value: $292,988,632
Total Shares: 80,051,565

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 154 13F filers · Δ vs Mar 31, 2026
Top Holder
11.0%
Sep 2023 → Jun 2026 · range 9.1% – 20.3%
+2.0 pts
Top 5
38.8%
Sep 2023 → Jun 2026 · range 36.4% – 58.6%
+2.4 pts
Top 10
55.0%
Sep 2023 → Jun 2026 · range 53.8% – 78.2%
+1.3 pts
HHI
436
Sep 2023 → Jun 2026 · range 409 – 878
Broadly held+27

Quarterly Activity

vs Mar 31, 2026
New
29
Increased
73
Decreased
34
Sold Out
44
Unchanged
18
Holder count: -15
Institutional value: -47.3%
Shares held: +10.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 161
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1680581 CUSIP 359616109 13F (30d) 143 filings 139 filers Visit website Investor relations